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We all want to save money and stay warm, and a home energy assessment is a great way to start. When we book one, a trained assessor visits our home to check how it uses energy, looking at things like insulation, heating, windows, and lighting. They help us spot problems
When you’re building a new home in the UK, a certified SAP rating assessor helps work out how energy-friendly your design is. SAP stands for Standard Assessment Procedure, and it’s the method used to check if your new build meets rules about energy use and carbon emissions. We take your
At Ratio Seven, we carry out SAP energy assessments to help people understand how their homes use heat, light and air so they can make smarter choices when building or improving. A SAP score gives you a clear idea of how energy-friendly your home is, and by sorting it early,
We help builders across the UK with airtightness testing because getting it right first time saves stress, time and money. When air leaks out of a new build, it drives up heating bills, creates draughts and can lead to failed tests that delay handover. That’s why we plan early, walk
When you build a new home, one of the key things you’ll need is something called an Energy Performance Certificate, or EPC. We help with this from start to finish, starting with SAP calculations, which are like a test on how well your home will use fuel and power. Once
In London, heat loss surveys are an essential tool for enhancing building energy efficiency, leveraging advanced techniques like thermal imaging to identify areas of energy wastage. By pinpointing issues such as thermal bridging, air leakage, and structural defects, these surveys help property owners reduce heating costs and lower their carbon
We’ve seen how much stress it causes when someone starts building and only later finds out their plans don’t pass SAP rules. That’s why we always say it’s best to get your SAP assessor involved early, before the build begins. We work with your house plans and help make sure
Air tightness testing checks how much air leaks through gaps or cracks in your building that should be sealed. We use special equipment to spot where warm air escapes or cold air sneaks in, which can lead to higher energy bills and discomfort inside. Most new builds in the UK
SAP air tightness certification checks how well a home keeps warm air in and stops draughts getting through gaps and cracks. We test this by using a fan to push or pull air through the building and measure how much escapes. If too much leaks out, your house will be